Post Mills Airport is a privately owned, public use airport in Orange County, Vermont, United States. It is located within the central business district of the Village of Post Mills.Although most U.S. airports use the same three-letter location identifier for the FAA and IATA, this airport is assigned 2B9 by the FAA but has no designation from the IATAFacilities and aircraftPost Mills Airport covers an area of 50acre at an elevation of 693 feet (211 m) above mean sea level. It has two turf runways designated 04/22, with a surface measuring 2,900 by 80 feet (884 x 24 m) and 05/23, with a surface measuring 2,300 by 80 feet (701 x 24 m).For the 12-month period ending June 2, 2009, the airport had 4,333 aircraft operations, an average of 12 per day: 100% general aviation with a few air taxi and ultralights. At that time there were 33 aircraft based at this airport: 73% single-engine, 18% gliders and 9% ultralights.